The answer to your question is Signpost
He wants to tell the audience that he did not achieve all of his goals. He wants to let the audience know that mastering the basics is key to achieving goals. He wants to explain how to be a good football coach to people who are interested in football.
Since an argumentative speech is an influential discourse in which the presenter tries to convince his audience to change their standpoints on a provocative subject. So rewriting this will give us this kind of speech: "Do you play sports? Have you ever given soccer, cricket, or field hockey a try? You might be surprised to learn that are the world's popular sports. Statistically speaking, they are more popular than typical American sports such as baseball and basketball.
